package polymorphism; class TestPolymorphismSuper { int p; TestPolymorphismSuper testPoly() { TestPolymorphismSuper TS = new TestPolymorphismSuper(); TS.p =100; return TS; } } public class TestPolymorphism1 extends TestPolymorphismSuper{ TestPolymorphism1 testPoly() { TestPolymorphism1 TSub = new TestPolymorphism1(); TSub.p =500; return TSub; } public static void main(String[] args) { TestPolymorphismSuper TSuper = new TestPolymorphism1(); TSuper = TSuper.testPoly(); System.out.println(TSuper.p); } }